51738245 has 32 divisors (see below), whose sum is σ = 69455232. Its totient is φ = 36755712.

The previous prime is 51738241. The next prime is 51738257. The reversal of 51738245 is 54283715.

It is a happy number.

51738245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51738245 - 2² = 51738241 is a prime.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51738241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 298979 + ... + 299151.

It is an arithmetic number, because the mean of its divisors is an integer number (2170476).

Almost surely, 2^51738245 is an apocalyptic number.

It is an amenable number.

51738245 is a deficient number, since it is larger than the sum of its proper divisors (17716987).

51738245 is a wasteful number, since it uses less digits than its factorization.

51738245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341.

The product of its digits is 33600, while the sum is 35.

The square root of 51738245 is about 7192.9302095877. The cubic root of 51738245 is about 372.6237776124.

The spelling of 51738245 in words is "fifty-one million, seven hundred thirty-eight thousand, two hundred forty-five".